The salary trajectory of a Technical Support Engineer ranges between locations and employers. The salary starts at £28,087 per year (estimate) and goes up to £45,411 per year (estimate) for the highest level of seniority.
The estimated average salary for a Technical Support Engineer at OneAdvanced is £107,225 per year or £52 per hour, but some professionals have reported earning up to roughly £170,639 per year (90th percentile). The typical pay range is between £84,525 (25th percentile) and £137,341 (75th percentile) annually. This is based on 34 salaries submitted by OneAdvanced Technical Support Engineer professionals on Glassdoor, as of Jun 2026.